The super light LED display system is designed for your car and shop windows, easy to install! Specifications & Features : Red LED 7*40 dots Size: 300mm*53mm*10mm (11.8"x1.97"x0.39" inch) Communication mode: input by remote controller Power: DC12V±10%,powered from a 12V DC car lighter outlet via a long 4m cord Display effect: from right to left Operating electricity: ≤7.0W Life span: more than 100,000 hours (about 10-15 years) Total 9pcs messages, each message can store max 250 characters Fast and easy to install Scrolling optional speed: fast, moderate, slow Net weight: 100g Frame color: black Package Includes : 1 X LED display 1 X Remote controller (include 2 batteries) 1 X User manual